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I'm going to be building a new engine for my 89 5.0 mustang, I would like help deciding which to build, I dont plan on drag racing. Maybe some day but as of now I don't see it. I would just like a mean sounding, ground rumbling street car to make all my friends jellus and possibly street race some punks in their rice burners. Any advice is appreciated and I plan on building from a bare block I'm buying. Thanks! I'd like to see 400-500+ hp but REALY want to see at least 400hp.
i've always heard the 347 is great but can have a problem with the connecting rods getting too much angle on them in comparison with the piston and causing wear problems. the 331 isnt stroked quite as much so i'd go with that one.
A 331 with a centrifugal blower running 8 pounds should put you right up where you want to be.
google centrifugal supercharger. procharger makes a good kit for 3k.
as for an intake, I'm not quite sure which one is best but i've heard good things about trick flow products.